General nonlinear phenomena and complex systems Novel electronic materials, including conducting polymers and organic and high tc superconductors Electron transport in semiconductor superlattices

03/18/08 Mean Field study of the heavy fermion metamagnetic transition 03/12/08 Electronic compressibility of a graphene bilayer 04/02/07 Unconventional Quantum Phase Transition in a Ring-Exchange Antiferromagnet 07/07/06 Magnetic Excitations of Stripes Near a Quantum Critical Point 06/27/06 Magnetic Excitations of Stripes and Checkerboards in the Cuprates